Re: [U-Boot] Issue with USB mass storage (thumb drives)

[Schrempf Frieder]

On 18.02.2016 18:14, Fabio Estevam wrote:
> On Thu, Feb 18, 2016 at 1:32 PM, Marek Vasut <ma...@denx.de> wrote:
>
>>> Also one of our customers tested a few non-working sticks with this
>>> change and reported, that it fixed it for him.
>>> Here's a list of those devices, but I guess there are a lot more:
>>>
>>> 1. Silicon Motion, Inc. - Taiwan (formerly Feiya Technology Corp.) Flash
>>> Drive, VID: 0x090c, PID: 0x1000
>>> 2. Freecom Technologies, VID: 0x07ab, PID: 0xfcf1
>>> 3. Newron, VID: 0x8644, PID: 0x800e
>>> 4. GEMBIRD PhotoFrame PF-15-1, VID:  0x1908, PID: 0x1320
>>>
>> Maybe we need a quirk table then ?
> It seems the list of affected devices is unknown.
>
> What would be the impact of changing USB_MAX_XFER_BLK from 65535 to 32767?
>
> Would this impact the USB transfer rate? Frieder, do you know?
I don't really know. While testing I had the feeling, that the transfer 
is slightly slower, but I can't tell for sure.
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